Dog-Facts

Some Dog facts... Dogs were domesticated from wolves at least 17,000 years ago. Dogs are highly social animals North america has the highest population of dogs in the world. Dog hearts are similiar to human hearts, they have 4 chambers. They have better night vision than humans they have super sensitive hearing, they can hear sounds from uyp to 200 yards- 100 times better than humans. they love sugar. dalmations are born white. the oldest dog on record was 29 years old. he was an Australian Cattle dog the chihuahua is the smallest breed of dog, they weigh between 2-6 pounds. Chocolate effects dogs hearts and nervous systems. a few ounces is enough to kill a small dog. information from http://www.small-dogbreeds.com/amazing-dog-facts.html

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by jesse